/Engine/Source/Editor/Kismet/Public/SSCSEditor.h
Requests a rename on the selected component just after creation so that the user can provide the initial component name (overwriting the default generated one), which is considered part of the creation process.
void OnRenameComponent ( [TUniquePtr](API\Runtime\Core\Templates\TUniquePtr)< [FScopedTransaction](API\Editor\UnrealEd\FScopedTransaction) > OngoingCreateTransaction )